match casing of reference links to the casing of the actual referenced declaration/module (#2500)

Author: tayloraswift

Sources/NIO/Docs.docc/index.md

@@ -151,32 +151,31 @@ The core SwiftNIO repository will contain a few extremely important protocol imp
 [repo-nio-transport-services]: https://github.com/apple/swift-nio-transport-services
 [repo-nio-ssh]: https://github.com/apple/swift-nio-ssh
 
-[module-core]: ./niocore
-[module-posix]: ./nioposix
-[module-embedded]: ./nioembedded
-[module-concurrency-helpers]: ./nioconcurrencyhelpers
-[module-embedded]: ./nioembedded
-[module-foundation-compatibility]: ./niofoundationcompat
-[module-http1]: ./niohttp1
-[module-tls]: ./niotls
-[module-websocket]: ./niowebsocket
-[module-test-utilities]: ./niotestutils
-
-[ch]: ./niocore/channelhandler
-[c]: ./niocore/channel
-[chc]: ./niocore/channelhandlercontext
-[ec]: ./nioembedded/embeddedchannel
-[el]: ./niocore/eventloop
-[eel]: ./nioembedded/embeddedeventloop
-[elg]: ./niocore/eventloopgroup
-[bb]: ./niocore/bytebuffer
-[elf]: ./niocore/eventloopfuture
-[elp]: ./niocore/eventlooppromise
-[cp]: ./niocore/channelpipeline
-[mtelg]: ./nioposix/multithreadedeventloopgroup
-[sb]: ./nioposix/serverbootstrap
-[cb]: ./nioposix/clientbootstrap
-[db]: ./nioposix/datagrambootstrap
+[module-core]: ./NIOCore
+[module-posix]: ./NIOPosix
+[module-embedded]: ./NIOEmbedded
+[module-concurrency-helpers]: ./NIOConcurrencyHelpers
+[module-foundation-compatibility]: ./NIOFoundationCompat
+[module-http1]: ./NIOHTTP1
+[module-tls]: ./NIOTLS
+[module-websocket]: ./NIOWebSocket
+[module-test-utilities]: ./NIOTestUtils
+
+[ch]: ./NIOCore/ChannelHandler
+[c]: ./NIOCore/Channel
+[chc]: ./NIOCore/ChannelHandlerContext
+[ec]: ./NIOEmbedded/EmbeddedChannel
+[el]: ./NIOCore/EventLoop
+[eel]: ./NIOEmbedded/EmbeddedEventLoop
+[elg]: ./NIOCore/EventLoopGroup
+[bb]: ./NIOCore/ByteBuffer
+[elf]: ./NIOCore/EventLoopFuture
+[elp]: ./NIOCore/EventLoopPromise
+[cp]: ./NIOCore/ChannelPipeline
+[mtelg]: ./NIOPosix/MultiThreadedEventLoopGroup
+[sb]: ./NIOPosix/ServerBootstrap
+[cb]: ./NIOPosix/ClientBootstrap
+[db]: ./NIOPosix/DatagramBootstrap
 [pthreads]: https://en.wikipedia.org/wiki/POSIX_Threads
 [kqueue]: https://en.wikipedia.org/wiki/Kqueue
 [epoll]: https://en.wikipedia.org/wiki/Epoll